51236225656031 has 16 divisors (see below), whose sum is σ = 57082902182208. Its totient is φ = 45684595488000.

The previous prime is 51236225656003. The next prime is 51236225656043. The reversal of 51236225656031 is 13065652263215.

It is a cyclic number.

It is not a de Polignac number, because 51236225656031 - 2⁴² = 46838179144927 is a prime.

It is a super-3 number, since 3×51236225656031³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51236225650031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475827371 + ... + 475935036.

It is an arithmetic number, because the mean of its divisors is an integer number (3567681386388).

Almost surely, 2^{51236225656031} is an apocalyptic number.

51236225656031 is a deficient number, since it is larger than the sum of its proper divisors (5846676526177).

51236225656031 is a wasteful number, since it uses less digits than its factorization.

51236225656031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951762562.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 51236225656031 in words is "fifty-one trillion, two hundred thirty-six billion, two hundred twenty-five million, six hundred fifty-six thousand, thirty-one".